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Vulnerability of libreswan: denial of service via IKE v1

Synthesis of the vulnerability 

An attacker can send malicious IKE v1 packets to libreswan, in order to trigger a denial of service.
Impacted systems: Debian, RHEL.
Severity of this alert: 2/4.
Creation date: 12/05/2020.
Références of this alert: CVE-2020-1763, DSA-4684-1, RHSA-2020:2069-01, RHSA-2020:2070-01, RHSA-2020:2071-01, VIGILANCE-VUL-32237.

Description of the vulnerability 

An attacker can send malicious IKE v1 packets to libreswan, in order to trigger ...
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This threat impacts software or systems such as Debian, RHEL.

Our Vigil@nce team determined that the severity of this computer threat is medium.

The trust level is of type confirmed by the editor, with an origin of internet client.

An attacker with a expert ability can exploit this cybersecurity bulletin.

Solutions for this threat 

This vulnerability workaround will be public soon.
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